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Gem-Knight Prismaura Battles of Legend: Monster Mayhem #BLMM-EN140 Yu-Gi-Oh! card
Ultra Rare

Gem-Knight Prismaura Battles of Legend: Monster Mayhem #BLMM-EN140

Card #BLMM-EN140
Market value · ungraded
$0.24
▼ 7.7% · 30d
PSA 10
$32
134× raw
Blended from live market data · graded from real sold data
Confidence medium · estimate, not an appraisal · How we price →
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Gem-Knight Prismaura is a Ultra Rare Yu-Gi-Oh! card from Battles of Legend: Monster Mayhem (#BLMM-EN140). Its current blended market value is $0.24 ungraded, with a PSA 10 worth around $32. Prices update from real market data.

Graded prices
Ungraded (raw)$0.24
PSA graded price estimates by grade
GradeRelative valuePrice
PSA 10$32$32–$32
PSA 9$6$6–$6
“Sold” = median of real recent sold listings at that grade (eBay or Fanatics Collect — hover a badge to see which). Other figures are blended marketplace estimates. Confidence reflects source backing and price spread — not PSA-official values.

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Not enough graded evidence yet — 0 graded sales recorded.

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Price history · raw near-mint

14 Jul 202621 Aug 2026
Latest
$0.24
Period high
$0.30
Period low
$0.24
Change
▲ 0.0%
Available to buy nowLive on eBay

Card details

Set
Battles of Legend: Monster Mayhem
Number
#BLMM-EN140
Rarity
Ultra Rare
Game
Yu-Gi-Oh!

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All Battles of Legend: Monster Mayhem cards →

Where to buy & check prices

Check recent sold prices
eBay sold

Frequently asked questions

How much is Gem-Knight Prismaura worth?

Gem-Knight Prismaura (Battles of Legend: Monster Mayhem #BLMM-EN140) is worth around $0.24 ungraded, or about $32 in PSA 10, based on live Yu-Gi-Oh! market data.

What is a PSA 10 Gem-Knight Prismaura worth?

A PSA 10 Gem-Knight Prismaura sells for around $32, roughly 134× the ungraded price.

Where can I buy Gem-Knight Prismaura?

You can buy Gem-Knight Prismaura on TCGplayer, Cardmarket and eBay — see the live listings on this page. Always compare against the blended market value first.

What rarity is Gem-Knight Prismaura?

Gem-Knight Prismaura is a Ultra Rare Yu-Gi-Oh! card from the Battles of Legend: Monster Mayhem set.

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Citation
Gem-Knight Prismaura (Battles of Legend: Monster Mayhem #BLMM-EN140) — Yu-Gi-Oh! market value $0.24, PSA 10 $32.18. Source: CardTrack, https://cardtrack.com/yugioh/card/battles-of-legend-monster-mayhem/gem-knight-prismaura-blmm-en140
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<iframe src="https://cardtrack.com/embed/card?id=yugioh-battles-of-legend-monster-mayhem-gem-knight-prismaura-ultra-rare" width="100%" height="160" style="border:0;max-width:460px" title="Gem-Knight Prismaura price — CardTrack" loading="lazy"></iframe> <p style="font:12px system-ui">Source: <a href="https://cardtrack.com">CardTrack</a></p>